DataSheetWiki


ECT3408 fiches techniques PDF

E-CMOS - 1.5MHz Step-Down Converter

Numéro de référence ECT3408
Description 1.5MHz Step-Down Converter
Fabricant E-CMOS 
Logo E-CMOS 





1 Page

No Preview Available !





ECT3408 fiche technique
1.2A, 1.5MHz Step-Down Converter
ECT3408
Description
The ECT34 08 is a 1.5M Hz constant frequency current
mode PWM step-down co nverter. It is ideal for po rtable
equipment re quiring very high current up to 1.2A from
single-cell Lit hium-ion batt eries whil e st ill achieving over
90% efficiency during peak load conditions. The ECT3408
also can run at 100% duty cycle for low dropout operation,
extending battery life in p ortable systems while lig ht load
operation provides very lo w output ripple for noise
sensitive applications.
The ECT3408 can supply up to 1.2A o utput load cu rrent
from a 2.5V t o 5.5V input voltage and the outp ut voltage
can be regulated as lo w as 0.6V. The high swit ching
frequency mi nimizes the size of external co mponents
while keeping switching l osses low. T he internal slope
compensation setting all ows the device to operate with
smaller indu ctor value s to optimize size and provide
efficient operation.
The ECT3408 is available in adjustable (0.6V to VIN) and
fixed (1.8V) output voltage versio ns. The d evice is
available i n a Pb-fre e, 3x 3mm TDFN-1 0 pa ckage a nd is
rated over the -40°C to+85°C temperature range.
Block Diagram
Features
z Input Voltage Range: 2.5V to 5.5V
z Output Voltages from 0.6V to VIN
z 1.2A Output Current
z High Efficiency: Up to 95%
z 1.5MHz Constant Switching Frequency
z Low RDS(ON) Internal Switches: 0.15
z Allows Use of Ceramic Capacitors
z Current Mode Operation for Excellent Line and
Load Transient Response
z Short-Circuit and Thermal Fault Protection
z Soft Start
z Low Dropout Operation: 100% Duty Cycle
z Low Shutdown Current: ISHUTDOWN < 1µA
z Available is the Lead Free package
Applications
z Cellular Phones
z Digital Cameras
z DSP Core Supplies
z PDAs
z Portable Instruments
z Smart Phones
E-CMOS Corp. (www.ecmos.com.tw)
Page 1 of 17
2007/1 1/19
http://www.Datasheet4U.com

PagesPages 17
Télécharger [ ECT3408 ]


Fiche technique recommandé

No Description détaillée Fabricant
ECT3408 1.5MHz Step-Down Converter E-CMOS
E-CMOS
ECT3409 1.5MHz Step-Down Converter E-CMOS
E-CMOS

US18650VTC5A

Lithium-Ion Battery

Sony
Sony
TSPC106

PCI Bus Bridge Memory Controller

ATMEL
ATMEL
TP9380

NPN SILICON RF POWER TRANSISTOR

Advanced Semiconductor
Advanced Semiconductor


www.DataSheetWiki.com    |   2020   |   Contactez-nous  |   Recherche